# -*- Mode:Python; indent-tabs-mode:nil; tab-width:4 -*-
#
# Copyright 2016-2017 Canonical Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
from textwrap import dedent
from unittest import mock

from testtools.matchers import Contains, Equals

from snapcraft import storeapi
from . import CommandBaseTestCase


class ReleaseCommandTestCase(CommandBaseTestCase):

    def test_upload_without_snap_must_raise_exception(self):
        result = self.run_command(['release'])

        self.assertThat(result.exit_code, Equals(2))
        self.assertThat(result.output, Contains('Usage:'))

    def test_release_snap(self):
        patcher = mock.patch.object(storeapi.StoreClient, 'release')
        mock_release = patcher.start()
        self.addCleanup(patcher.stop)
        mock_release.return_value = {
            'opened_channels': ['beta'],
            'channel_map_tree': {
                'latest': {
                    '16': {
                        'amd64':
                        [
                            {'channel': 'stable', 'info': 'none'},
                            {'channel': 'candidate', 'info': 'none'},
                            {'revision': 19, 'channel': 'beta', 'version': '0',
                             'info': 'specific'},
                            {'channel': 'edge', 'info': 'tracking'}
                        ]
                    }
                }
            }
        }

        result = self.run_command(['release', 'nil-snap', '19', 'beta'])

        self.assertThat(result.exit_code, Equals(0))
        self.assertThat(result.output, Contains(dedent("""\
            Track    Arch    Channel    Version    Revision
            latest   amd64   stable     -          -
                             candidate  -          -
                             beta       0          19
                             edge       ^          ^
            \x1b[0;32mThe 'beta' channel is now open.\x1b[0m""")))
        mock_release.assert_called_once_with('nil-snap', '19', ['beta'])

    def test_release_snap_with_lts_channel(self):
        patcher = mock.patch.object(storeapi.StoreClient, 'release')
        mock_release = patcher.start()
        self.addCleanup(patcher.stop)
        mock_release.return_value = {
            'opened_channels': ['2.1/beta'],
            'channel_map_tree': {
                '2.1': {
                    '16': {
                        'amd64': [
                            {'channel': 'stable', 'info': 'none'},
                            {'channel': 'candidate', 'info': 'none'},
                            {'revision': 19, 'channel': 'beta', 'version': '0',
                             'info': 'specific'},
                            {'channel': 'edge', 'info': 'tracking'}
                        ]

                    }
                }
            }
        }

        result = self.run_command(['release', 'nil-snap', '19', '2.1/beta'])

        self.assertThat(result.exit_code, Equals(0))
        self.assertThat(result.output, Contains(dedent("""\
            Track    Arch    Channel    Version    Revision
            2.1      amd64   stable     -          -
                             candidate  -          -
                             beta       0          19
                             edge       ^          ^
            \x1b[0;32mThe '2.1/beta' channel is now open.\x1b[0m""")))
        mock_release.assert_called_once_with('nil-snap', '19', ['2.1/beta'])

    def test_release_snap_with_branch(self):
        patcher = mock.patch.object(storeapi.StoreClient, 'release')
        mock_release = patcher.start()
        self.addCleanup(patcher.stop)
        mock_release.return_value = {
            'opened_channels': ['stable/hotfix1'],
            'channel_map_tree': {
                '2.1': {
                    '16': {
                        'amd64': [
                            {'channel': 'stable', 'info': 'none'},
                            {'channel': 'candidate', 'info': 'none'},
                            {'revision': 19, 'channel': 'beta', 'version': '0',
                             'info': 'specific'},
                            {'channel': 'edge', 'info': 'tracking'},
                            {'channel': 'stable/hotfix1', 'info': 'branch',
                             'revision': 20, 'version': '1',
                             'expires_at': '2017-05-21T18:52:14.578435'},
                        ]

                    }
                }
            }
        }

        result = self.run_command(['release', 'nil-snap', '20',
                                   'stable/hotfix1'])

        self.assertThat(result.exit_code, Equals(0))
        self.assertThat(result.output, Contains(dedent("""\
            Track    Arch    Channel         Version    Revision    Expires at
            2.1      amd64   stable          -          -
                             candidate       -          -
                             beta            0          19
                             edge            ^          ^
                             stable/hotfix1  1          20          2017-05-21T18:52:14.578435
            \x1b[0;32mThe 'stable/hotfix1' channel is now open.\x1b[0m""")))  # noqa
        mock_release.assert_called_once_with(
            'nil-snap', '20', ['stable/hotfix1'])

    def test_release_snap_opens_more_than_one_channel(self):
        patcher = mock.patch.object(storeapi.StoreClient, 'release')
        mock_release = patcher.start()
        self.addCleanup(patcher.stop)
        mock_release.return_value = {
            'opened_channels': ['stable', 'beta', 'edge'],
            'channel_map_tree': {
                'latest': {
                    '16': {
                        'amd64':
                        [
                            {'channel': 'stable', 'info': 'none'},
                            {'channel': 'candidate', 'info': 'none'},
                            {'revision': 19, 'channel': 'beta', 'version': '0',
                             'info': 'specific'},
                            {'channel': 'edge', 'info': 'tracking'}
                        ]
                    }
                }
            }
        }

        result = self.run_command(['release', 'nil-snap', '19', 'beta'])

        self.assertThat(result.exit_code, Equals(0))
        self.assertThat(result.output, Contains(dedent("""\
            Track    Arch    Channel    Version    Revision
            latest   amd64   stable     -          -
                             candidate  -          -
                             beta       0          19
                             edge       ^          ^
            \x1b[0;32mThe 'stable', 'beta' and 'edge' channels are now open.\x1b[0m""")))  # noqa
        mock_release.assert_called_once_with('nil-snap', '19', ['beta'])

    def test_release_with_bad_channel_info(self):
        patcher = mock.patch.object(storeapi.StoreClient, 'release')
        mock_release = patcher.start()
        self.addCleanup(patcher.stop)
        mock_release.return_value = {
            'channel_map_tree': {
                'latest': {
                    '16': {
                        'amd64':
                        [
                            {'channel': 'stable',
                             'info': 'fake-bad-channel-info'},
                            {'channel': 'candidate', 'info': 'none'},
                            {'revision': 19, 'channel': 'beta', 'version': '0',
                             'info': 'specific'},
                            {'channel': 'edge', 'info': 'tracking'}
                        ]
                    }
                }
            }
        }

        result = self.run_command(['release', 'nil-snap', '19', 'beta'])

        self.assertThat(result.exit_code, Equals(0))

        mock_release.assert_called_once_with('nil-snap', '19', ['beta'])

        # output will include the channel with no info, but there will be a log
        # in error alerting the problem
        self.assertThat(result.output, Contains(dedent("""\
            Track    Arch    Channel    Version    Revision
            latest   amd64   stable
                             candidate  -          -
                             beta       0          19
                             edge       ^          ^""")))
        self.assertThat(result.output, Contains(
            "Unexpected channel info: "
            "'fake-bad-channel-info' in channel stable"))

    def test_release_without_login_must_raise_exception(self):
        raised = self.assertRaises(
            storeapi.errors.InvalidCredentialsError,
            self.run_command, ['release', 'nil-snap', '19', 'beta'])

        self.assertThat(str(raised), Contains('Invalid credentials'))
